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<table border="1" width="80%" align="center" bgcolor="#33CC99">
	<tr>
		<th colspan="2" align="center" />
		<h2>系统变量</h2>
	</tr>
	<tr>
		<td>System getProperties getClass</td>
		<td><%=System.getProperties().getClass()%></td>
	</tr>
	<tr>
		<td>System getProperties hashCode</td>
		<td><%=System.getProperties().hashCode()%></td>
	</tr>
	<tr>
		<td>System getProperties isEmpty</td>
		<td><%=System.getProperties().isEmpty()%></td>
	</tr>
	<tr>
		<td>System getProperties propertyNames</td>
		<td><%=System.getProperties().propertyNames()%></td>
	</tr>
	<tr>
		<td>System getProperties size</td>
		<td><%=System.getProperties().size()%> 
		</td>
	</tr>
</table>

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